All Panda Security 2016 home user products for Windows are vulnerable to privilege escalation, CVE-2015-7378, which allows a local attacker to execute code as SYSTEM from any account (guest included), thus completely compromising the affected host.
High Level Details:

  • CVE: CVE-2015-7378
  • Vendor: Panda Security
  • Reported by: Kyriakos Economou
  • Date of Release: 05/04/2016
  • Affected Products: Multiple
  • Affected Version: Panda Security URL Filtering < v4.3.1.9
  • Fixed Version: Panda Security URL Filtering v4.3.1.9

Affected Products:
Panda Gold Protection 2016 v16.0.1
Panda Global Protection 2016 v16.0.1
Panda Internet Security 2016 v16.0.1
Panda Antivirus Pro 2016 v16.0.1
Panda Free Antivirus v16.0.1
A local attacker can elevate his privileges from any user account and execute code as SYSTEM.
Technical Details:
By default all the aforementioned products install (current version:, which creates a service named ‘panda_url_filtering’ that runs as SYSTEM. The executable modules are by default installed in “C:ProgramDataPanda Security URL Filtering” directory. However, the ACLs assigned to the directory itself, and to the rest of the installed files, allow any user to modify those files and/or substitute them with malicious ones. A local attacker can easily execute code with SYSTEM account privileges by modifying or substituting the main executable module of this service, ‘Panda_URL_Filteringb.exe’, which will run at the next reboot of the host.
Disclosure Log:
Vendor Contacted: 28/09/2015
Public Disclosure: 05/04/2016
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